Задание 1. Выполни сложение и вычитание.
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$$
1\frac{2}{5} + \frac{1}{5} = \frac{7}{5} + \frac{1}{5} = \frac{7+1}{5} = \frac{8}{5}
$$
Ответ: $$\\\frac{8}{5}$$
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$$
2\frac{11}{18} - \frac{3}{18} = \frac{47}{18} - \frac{3}{18} = \frac{47-3}{18} = \frac{44}{18} = \frac{22}{9}
$$
Ответ: $$\\\frac{22}{9}$$
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$$
3\frac{15}{24} + \frac{3}{24} = \frac{87}{24} + \frac{3}{24} = \frac{87+3}{24} = \frac{90}{24} = \frac{15}{4}
$$
Ответ: $$\\\frac{15}{4}$$
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$$
4\frac{16}{27} + \frac{9}{27} = \frac{124}{27} + \frac{9}{27} = \frac{124+9}{27} = \frac{133}{27}
$$
Ответ: $$\\\frac{133}{27}$$
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$$
5\frac{16}{73} + \frac{52}{73} = \frac{381}{73} + \frac{52}{73} = \frac{381+52}{73} = \frac{433}{73}
$$
Ответ: $$\\\frac{433}{73}$$
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$$
6\frac{12}{65} + \frac{47}{65} = \frac{390+12}{65} + \frac{47}{65} = \frac{402}{65} + \frac{47}{65} = \frac{402+47}{65} = \frac{449}{65}
$$
Ответ: $$\\\frac{449}{65}$$
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$$
7\frac{45}{92} - \frac{33}{32} = \frac{689}{92} - \frac{33}{32} = \frac{689 \cdot 8}{92 \cdot 8} - \frac{33 \cdot 23}{32 \cdot 23} = \frac{5512}{736} - \frac{759}{736} = \frac{5512-759}{736} = \frac{4753}{736}
$$
Ответ: $$\\\frac{4753}{736}$$
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$$
8\frac{13}{49} + \frac{22}{49} = \frac{392+13}{49} + \frac{22}{49} = \frac{405}{49} + \frac{22}{49} = \frac{405+22}{49} = \frac{427}{49}
$$
Ответ: $$\\\frac{427}{49}$$
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$$
9\frac{5}{9} + \frac{1}{9} = \frac{81+5}{9} + \frac{1}{9} = \frac{86}{9} + \frac{1}{9} = \frac{86+1}{9} = \frac{87}{9} = \frac{29}{3}
$$
Ответ: $$\\\frac{29}{3}$$
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$$
10\frac{36}{42} - \frac{11}{42} = \frac{420+36}{42} - \frac{11}{42} = \frac{456}{42} - \frac{11}{42} = \frac{456-11}{42} = \frac{445}{42}
$$
Ответ: $$\\\frac{445}{42}$$
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$$
11\frac{74}{99} - \frac{64}{99} = \frac{1089+74}{99} - \frac{64}{99} = \frac{1163}{99} - \frac{64}{99} = \frac{1163-64}{99} = \frac{1099}{99}
$$
Ответ: $$\\\frac{1099}{99}$$
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$$
12\frac{9}{47} + \frac{36}{47} = \frac{564+9}{47} + \frac{36}{47} = \frac{573}{47} + \frac{36}{47} = \frac{573+36}{47} = \frac{609}{47}
$$
Ответ: $$\\\frac{609}{47}$$
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$$
13\frac{51}{65} - \frac{17}{65} = \frac{845+51}{65} - \frac{17}{65} = \frac{896}{65} - \frac{17}{65} = \frac{896-17}{65} = \frac{879}{65}
$$
Ответ: $$\\\frac{879}{65}$$
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$$
14\frac{2}{31} + \frac{17}{31} = \frac{434+2}{31} + \frac{17}{31} = \frac{436}{31} + \frac{17}{31} = \frac{436+17}{31} = \frac{453}{31}
$$
Ответ: $$\\\frac{453}{31}$$
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$$
15\frac{18}{54} - \frac{9}{54} = \frac{810+18}{54} - \frac{9}{54} = \frac{828}{54} - \frac{9}{54} = \frac{828-9}{54} = \frac{819}{54} = \frac{91}{6}
$$
Ответ: $$\\\frac{91}{6}$$
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$$
16\frac{49}{89} - \frac{36}{89} = \frac{1424+49}{89} - \frac{36}{89} = \frac{1473}{89} - \frac{36}{89} = \frac{1473-36}{89} = \frac{1437}{89}
$$
Ответ: $$\\\frac{1437}{89}$$
Задание 2. Переведи смешанные числа в неправильные дроби.
Образец:
$$5\frac{1}{5} = \frac{5 \cdot 5 + 1}{5} = \frac{26}{5}$$